This TB Parts Cam Sprocket allows the use of the TB Parts Race Heads and also the V2 Race Heads on your 2010 and newer KLX110's - This includes "L" Models. This also allows you to use any 2002-2009 KLX/DRZ110 cylinder head on your engine. If you are considering a race head or V2 head for your 2010 and newer KLX110 this is the cam gear you need! If you have any questions - please ask! We are here to help!